This set of parts is the best resource to understand and reason about unity, ten, a hundred and thousand.

It includes 100 units, 10 tens, hundreds and 10 one thousand. Indispensable to work the metric system, area and volume.

It contains 25 activity cards with increasing level of difficulty, numbered for each number from 1 to 4. These plugs are very useful, as they allow the use of the material throughout the school year with children of different levels.

15 also includes plastic cards with the highest signal (>), less (<) and equal (=), and 5 cards in each signal.

Recommended age: 7th to 9th